Preliminary design of a laser accelerator beam line

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SHANG Yong, ZHU Kun, CAO Chao, ZHU Jun-Gao, LU Yuan-Rong, GUO Zhi-Yu, CHEN Jia-Er and YAN Xue-Qing. Preliminary design of a laser accelerator beam line[J]. Chinese Physics C, 2014, 38(11): 117011. doi: 10.1088/1674-1137/38/11/117011
SHANG Yong, ZHU Kun, CAO Chao, ZHU Jun-Gao, LU Yuan-Rong, GUO Zhi-Yu, CHEN Jia-Er and YAN Xue-Qing. Preliminary design of a laser accelerator beam line[J]. Chinese Physics C, 2014, 38(11): 117011.  doi: 10.1088/1674-1137/38/11/117011 shu
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Received: 2013-12-02
Revised: 1900-01-01
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Preliminary design of a laser accelerator beam line

    Corresponding author: ZHU Kun,
    Corresponding author: YAN Xue-Qing,

Abstract: A compact laser plasma accelerator (CLAPA) is being built at Peking University, which is based on an RPA-PSA mechanism or other acceleration mechanisms. The beam produced by this laser accelerator has the characteristics of short duration, high pulse current, large divergence angle, and wide energy spectrum. The beam cannot be produced by a normal ion source and accelerator. The space charge field in the initial is very strong. According to the beam parameters from preparatory experiments and theoretical simulations, a compact beam line is preliminarily designed. The beam line mainly consists of common transport elements to deliver proton beam with the energy of 1-50 MeV, energy spread of 0-± 1% and current of 0-108 proton per pulse to satisfy the requirement of different experiments. The simulation result of a 15 MeV proton beam with an energy spread of ± 1%, current of 400 mA, and final spot radius of 9 mm is presented in this paper.

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